//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TWClassInfo.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TWCLASSINFO_H_
#define _TWCLASSINFO_H_

#ifndef _TSQPTABLE_H_
#include "TSqPTable.h"
#endif

class TWDyCreateClass;

//运行时类型信息类
//提供三种类型识别机制，类ID,类名,类型信息指针
class GEOAPI TWClassInfo
{
public:
	
	TWClassInfo(const char *sName, TWDyCreateClass* (*fNewOjbect)(),
				TWClassInfo *baseClass0 = NULL, TWClassInfo *baseClass1 = NULL,
				TWClassInfo *baseClass2 = NULL, TWClassInfo *baseClass3 = NULL,TWClassInfo *baseClass4 = NULL);
	
	virtual ~TWClassInfo();

	void SetClassID(long id);
	
	long GetClassID()const;
	
	bool IsTypeOf(const char *sName)const;
	
	bool IsTypeOf(const TWClassInfo *pClassInfo)const;
	
	bool IsClassOf(const char *sName)const;
	
	bool IsClassOf(const TWClassInfo *pClassInfo)const;
	
	TWDyCreateClass* NewObject()const;

	const char * GetClassName()const;
	
	const TWClassInfo* GetBaseClassInfo(int i)const;

public:

	static TWDyCreateClass* DyCreate(long cid);

	static void RegisterClassInfo(long cid, TWClassInfo*);

protected:

	TWClassInfo(const TWClassInfo &cInfo);
	
	TWClassInfo& operator = (const TWClassInfo &cInfo);

protected:
	
	long classID;
	
	const char *name;
	
	const TWClassInfo* baseClass[MAX_BASE_CLASS_NUM];
	
	TWDyCreateClass* (*m_fNewObject)();

	static TSqTable<TWClassInfo*> allClassInfo;
};

#endif